summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/x86_64/bits/mathdef.h
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/linux/x86_64/bits/mathdef.h')
-rw-r--r--libc/sysdeps/linux/x86_64/bits/mathdef.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/x86_64/bits/mathdef.h b/libc/sysdeps/linux/x86_64/bits/mathdef.h
new file mode 100644
index 000000000..37665c209
--- /dev/null
+++ b/libc/sysdeps/linux/x86_64/bits/mathdef.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 2001, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#if !defined _MATH_H && !defined _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#endif
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF 1
+
+/* The x86-64 architecture computes values with the precission of the
+ used type. */
+typedef float float_t; /* `float' expressions are evaluated as `float'. */
+typedef double double_t; /* `double' expressions are evaluated
+ as `double'. */
+
+/* The values returned by `ilogb' for 0 and NaN respectively. */
+# define FP_ILOGB0 (-2147483647 - 1)
+# define FP_ILOGBNAN (-2147483647 - 1)
+
+#endif /* ISO C99 */